Planter block



FIG. 1 is a perspective view of a planter block;

FIG. 2 is a front elevation view thereof, which is a mirror image of therear elevation view;

FIG. 3 is a left side elevation view thereof, which is a mirror image ofthe right side elevation view;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines represent portions of the design that form no part ofthe claim.

CLAIM The ornamental design for a planter block, shown and described.